Formula: (Pt,Rh,Ru)AsS
Origin of name: from platinum and arsenic
Crystal system: cubic
Crystal class: 2/m -3
Twinning:
Unit cell:
Colour: gray in reflected light
Diaphaneity:
Luster: metallic
Habit: subhedral grains, to 1 mm
Hardness: 7 to 7.5
Specific gravity: 8.0
Cleavage: none
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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